Variety traits
Malus Mill.
A biological indicator that determines tree habit and planting patterns in intensive orchards. It is evaluated through measurements of tree height, crown width, and trunk circumference, as well as anatomical characteristics of rootstocks.
In the reference 151 varieties crop Apple, where this is mentioned in the description.
For apple breeding and variety testing, a complex system of direct measurements is used, including tree height, crown width, and trunk girth at 15 cm above the soil surface. Based on this data, the volume and projection area of the crown are calculated, as well as the trunk cross-sectional area. For rootstock diagnostics, anatomical methods for examining xylem vessels and root hairs are also employed.
Scion-rootstock combinations are divided into groups: vigorous, semi-vigorous, and low-vigor (dwarf and semi-dwarf). For example, the height of 15-year-old trees on dwarfing interstocks can vary from 2.8 to 3.7 meters. There are no clear numerical boundaries for these categories due to the dependence of the indicator on tree age and growing conditions.
Tree vigor determines agrotechnical decisions: the choice of planting pattern, training and pruning methods, and the necessity of installing support trellises. Excessive vegetative growth in vigorous varieties often comes at the expense of fruiting and light penetration within the canopy; therefore, low-vigor combinations are preferred for intensive horticulture.
General information about the subject — on the page Vigor.
Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.
Malus Mill. · Apple
FULFORD N.G. / MC KENZIE D.W.
Malus Mill. · Apple
SCHRAMA HENRICUS FRANCISCUS MARIA / WILLEMS WILHELMUS GERARDUS MARIA
Malus Mill. · Apple
Frank H. Alston Institute of Horticultural Research
Malus Mill. · Apple
Murawski en Fischer
Malus Mill. · Apple
Malus Mill. · Apple
Tobutt Kenneth Richard
Malus Mill. · Apple
NIAB EMR (GB)
Malus Mill. · Apple
CRIPPS J.E.L.
Malus Mill. · Apple
HERBERT SANDERS ALDWINCKLE / JAMES CUMMINS / GENNARO FAZIO / TERENCE LEE ROBINSON
Malus Mill. · Apple
Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka
Malus Mill. · Apple
James Cummins, Herbert Aldwinckle, Gennaro Fazio & Terence Robinson, Cornell University
Malus Mill. · Apple
COLA GIACOMO
Malus Mill. · Apple
Malus Mill. · Apple
Malus Mill. · Apple
SVERIGES LANTBRUKSUNIVERSITÄTET
Malus Mill. · Apple
Jan Blazek c/o VSUO Holovousy
Malus Mill. · Apple
Malus Mill. · Apple
Jaroslav Tupy Institute of Experimental Botany / Otto Louda Institute of Experimental Botany
Malus Mill. · Apple
Plants for Europe Ltd
Malus Mill. · Apple
Malus Mill. · Apple
Tydeman, Henry M|England
Malus Mill. · Apple
PER-OLOF BERGENDAL
Malus Mill. · Apple
PEPINIERES ET ROSERAIES GEORGES DELBARD SAS
Malus Mill. · Apple